Siemaszko was born in
Chicago. Her father, Konstanty Siemaszko, was a
Polish-born
Roman Catholic, and a survivor of the
Polish Underground and the
Sachsenhausen concentration camp. He escaped to the
United Kingdom where he met Nina's mother, Collette McAllister. One of her brothers is actor
Casey Siemaszko. Her other brother, Corky, is a writer for the
Daily News and a reporter at
NBC News. She attended
The Theatre School at DePaul University. She played an undercover cop in
Reservoir Dogs featured in a scene that wound up on the
cutting room floor ensuring that the work became a rare example of a film containing no dialogue delivered by an actress. It was released on DVD. She played
Mia Farrow in the
CBS miniseries
Sinatra. She played the leading role in
Wild Orchid II: Two Shades of Blue. == Filmography ==